7.1.0-beta
[ADDED] Support for authenticating users with the signin method
[ADDED] Support for binding to events sent to a specific authenticated user
[UPDATED] The initialization of the Pusher object has been changed. Two new parameters were introduced: userAuthentication and channelAuthorization.
[DEPRECATED] The Pusher object parameters auth, authEndpoint, and authTransport are still supported, but deprecated. They have been replaced with the channelAuthorization parameter.